20590049157 has 16 divisors (see below), whose sum is σ = 27633113088. Its totient is φ = 13637095920.

The previous prime is 20590049113. The next prime is 20590049159. The reversal of 20590049157 is 75194009502.

It is not a de Polignac number, because 20590049157 - 2¹⁰ = 20590048133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20590049159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297138 + ... + 359820.

It is an arithmetic number, because the mean of its divisors is an integer number (1727069568).

Almost surely, 2^20590049157 is an apocalyptic number.

It is an amenable number.

20590049157 is a deficient number, since it is larger than the sum of its proper divisors (7043063931).

20590049157 is a wasteful number, since it uses less digits than its factorization.

20590049157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63400.

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 20590049157 in words is "twenty billion, five hundred ninety million, forty-nine thousand, one hundred fifty-seven".